Agency :
Seventh-seeded Coco Gauff defeated Wang Xinyu 6-0, 6-4 on Thursday and advanced to the quarterfinals of the bett1open in Berlin. Gauff won 82.1 percent of her first serves in the win. She will play No 4 Karolina Pliskova of the Czech Republic in the quarters. Top seed Ons Jabeur of Tunisia defeated Alycia Parks 6-2, 7-6 (8) to advance. Switzerland’s Belinda Bencic, the eighth seed, beat Russia’s Anna Kalinskaya 6-4, 1-6, 6-1 in one hour, 55 minutes. Unseeded Veronika Kudermetova of Russia also advanced to the quarters by topping countrywoman Liudmila Samsonova 6-3, 6-7 (5), 6-1. Kudermetova draws Bencic in the quarters. Top-seeded Jelena Ostapenko of Latvia suffered a defeat in the Round of 16, losing to Ukraine’s Dayana Yastremska 3-6, 7-5, 7-5 in two hours, 15 minutes in Birmingham, Great Britain.